\En*trail"\, v. t. [Pref. en- + OF. treiller to grate,
lattice, F. treille vine, arbor. See {Trellis}.]
To interweave; to intertwine. [Obs.] --Spenser.
\En*trail"\, n.
Entanglement; fold. [Obs.] --Spenser.
Dream Dictionary
Definition:
Dreaming of human entrails (your own or another's) means horrible misery and despair and little hope for happiness.
Dreaming of the entrails of a wild animal or beast indicates the defeat of your enemy.
Dreaming that you tear the entrails of another means your own cruel intents to further your own interest and gain.
Webster's 1913 Dictionary